/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.support.v4.util;

/**
 * Helper for accessing features in {@link android.util.DebugUtils} introduced
 * after API level 4 in a backwards compatible fashion.
 * 
 * @hide
 */
public class DebugUtils {

	public static void buildShortClassTag(Object cls, StringBuilder out) {
		if (cls == null) {
			out.append("null");
		} else {
			String simpleName = cls.getClass().getSimpleName();
			if (simpleName == null || simpleName.length() <= 0) {
				simpleName = cls.getClass().getName();
				int end = simpleName.lastIndexOf('.');
				if (end > 0) {
					simpleName = simpleName.substring(end + 1);
				}
			}
			out.append(simpleName);
			out.append('{');
			out.append(Integer.toHexString(System.identityHashCode(cls)));
		}
	}
}
